Vann’s actions reveal a complex mix of deception and professional integrity.

Evidence

There was a duality in the man, a duality of personal compulsions and deceits that would not bear light and a professional honesty that was rigorous and incorruptible. — Neil Sheehan, A Bright Shining Lie, 1065

Categorization

• corroborated: 2 independent passages support this claim — Neil Sheehan, A Bright Shining Lie, 1065